/**
* Determine if the current user is allowed to view a particular
* field of this revision, if it's marked as deleted.
* @param $rc RCCacheEntry
* @param $field Integer
* @param $user User object to check, or null to use $wgUser
* @return Boolean
*/
public static function userCan($rc, $field, User $user = null)
{
if ($rc->mAttribs['rc_type'] == RC_LOG) {
return LogEventsList::userCanBitfield($rc->mAttribs['rc_deleted'], $field, $user);
} else {
return Revision::userCanBitfield($rc->mAttribs['rc_deleted'], $field, $user);
}
}
/**
* Extracts from a single sql row the data needed to describe one recent change.
*
* @param stdClass $row The row from which to extract the data.
* @return array An array mapping strings (descriptors) to their respective string values.
* @access public
*/
public function extractRowInfo($row)
{
/* Determine the title of the page that has been changed. */
$title = Title::makeTitle($row->rc_namespace, $row->rc_title);
$user = $this->getUser();
/* Our output data. */
$vals = array();
$type = intval($row->rc_type);
$vals['type'] = RecentChange::parseFromRCType($type);
$anyHidden = false;
/* Create a new entry in the result for the title. */
if ($this->fld_title || $this->fld_ids) {
if ($type === RC_LOG && $row->rc_deleted & LogPage::DELETED_ACTION) {
$vals['actionhidden'] = true;
$anyHidden = true;
}
if ($type !== RC_LOG || LogEventsList::userCanBitfield($row->rc_deleted, LogPage::DELETED_ACTION, $user)) {
if ($this->fld_title) {
ApiQueryBase::addTitleInfo($vals, $title);
}
if ($this->fld_ids) {
$vals['pageid'] = intval($row->rc_cur_id);
$vals['revid'] = intval($row->rc_this_oldid);
$vals['old_revid'] = intval($row->rc_last_oldid);
}
}
}
if ($this->fld_ids) {
$vals['rcid'] = intval($row->rc_id);
}
/* Add user data and 'anon' flag, if user is anonymous. */
if ($this->fld_user || $this->fld_userid) {
if ($row->rc_deleted & Revision::DELETED_USER) {
$vals['userhidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rc_deleted, Revision::DELETED_USER, $user)) {
if ($this->fld_user) {
$vals['user'] = $row->rc_user_text;
}
if ($this->fld_userid) {
$vals['userid'] = $row->rc_user;
}
if (!$row->rc_user) {
$vals['anon'] = true;
}
}
}
/* Add flags, such as new, minor, bot. */
if ($this->fld_flags) {
$vals['bot'] = (bool) $row->rc_bot;
$vals['new'] = $row->rc_type == RC_NEW;
$vals['minor'] = (bool) $row->rc_minor;
}
/* Add sizes of each revision. (Only available on 1.10+) */
if ($this->fld_sizes) {
$vals['oldlen'] = intval($row->rc_old_len);
$vals['newlen'] = intval($row->rc_new_len);
}
/* Add the timestamp. */
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rc_timestamp);
}
/* Add edit summary / log summary. */
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($row->rc_deleted & Revision::DELETED_COMMENT) {
$vals['commenthidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rc_deleted, Revision::DELETED_COMMENT, $user)) {
if ($this->fld_comment && isset($row->rc_comment)) {
$vals['comment'] = $row->rc_comment;
}
if ($this->fld_parsedcomment && isset($row->rc_comment)) {
$vals['parsedcomment'] = Linker::formatComment($row->rc_comment, $title);
}
}
}
if ($this->fld_redirect) {
$vals['redirect'] = (bool) $row->page_is_redirect;
}
/* Add the patrolled flag */
if ($this->fld_patrolled) {
$vals['patrolled'] = $row->rc_patrolled == 1;
$vals['unpatrolled'] = ChangesList::isUnpatrolled($row, $user);
}
if ($this->fld_loginfo && $row->rc_type == RC_LOG) {
if ($row->rc_deleted & LogPage::DELETED_ACTION) {
$vals['actionhidden'] = true;
$anyHidden = true;
}
if (LogEventsList::userCanBitfield($row->rc_deleted, LogPage::DELETED_ACTION, $user)) {
$vals['logid'] = intval($row->rc_logid);
$vals['logtype'] = $row->rc_log_type;
$vals['logaction'] = $row->rc_log_action;
$vals['logparams'] = LogFormatter::newFromRow($row)->formatParametersForApi();
}
}
if ($this->fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
ApiResult::setIndexedTagName($tags, 'tag');
$vals['tags'] = $tags;
} else {
$vals['tags'] = array();
}
}
if ($this->fld_sha1 && $row->rev_sha1 !== null) {
if ($row->rev_deleted & Revision::DELETED_TEXT) {
$vals['sha1hidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rev_deleted, Revision::DELETED_TEXT, $user)) {
if ($row->rev_sha1 !== '') {
$vals['sha1'] = wfBaseConvert($row->rev_sha1, 36, 16, 40);
} else {
$vals['sha1'] = '';
}
}
}
if (!is_null($this->token)) {
$tokenFunctions = $this->getTokenFunctions();
foreach ($this->token as $t) {
$val = call_user_func($tokenFunctions[$t], $row->rc_cur_id, $title, RecentChange::newFromRow($row));
if ($val === false) {
$this->setWarning("Action '{$t}' is not allowed for the current user");
} else {
$vals[$t . 'token'] = $val;
}
}
}
if ($anyHidden && $row->rc_deleted & Revision::DELETED_RESTRICTED) {
$vals['suppressed'] = true;
}
return $vals;
}
/**
* Determine if the current user is allowed to view a particular
* field of this image file, if it's marked as deleted.
*
* @param $field Integer
* @return bool
*/
function userCan($field)
{
$this->load();
return Revision::userCanBitfield($this->deleted, $field);
}
public function execute()
{
$user = $this->getUser();
// Before doing anything at all, let's check permissions
if (!$user->isAllowed('deletedhistory')) {
$this->dieUsage('You don\'t have permission to view deleted file information', 'permissiondenied');
}
$db = $this->getDB();
$params = $this->extractRequestParams();
$prop = array_flip($params['prop']);
$fld_sha1 = isset($prop['sha1']);
$fld_timestamp = isset($prop['timestamp']);
$fld_user = isset($prop['user']);
$fld_size = isset($prop['size']);
$fld_dimensions = isset($prop['dimensions']);
$fld_description = isset($prop['description']) || isset($prop['parseddescription']);
$fld_mime = isset($prop['mime']);
$fld_mediatype = isset($prop['mediatype']);
$fld_metadata = isset($prop['metadata']);
$fld_bitdepth = isset($prop['bitdepth']);
$fld_archivename = isset($prop['archivename']);
$this->addTables('filearchive');
$this->addFields(ArchivedFile::selectFields());
$this->addFields(array('fa_id', 'fa_name', 'fa_timestamp', 'fa_deleted'));
$this->addFieldsIf('fa_sha1', $fld_sha1);
$this->addFieldsIf(array('fa_user', 'fa_user_text'), $fld_user);
$this->addFieldsIf(array('fa_height', 'fa_width', 'fa_size'), $fld_dimensions || $fld_size);
$this->addFieldsIf('fa_description', $fld_description);
$this->addFieldsIf(array('fa_major_mime', 'fa_minor_mime'), $fld_mime);
$this->addFieldsIf('fa_media_type', $fld_mediatype);
$this->addFieldsIf('fa_metadata', $fld_metadata);
$this->addFieldsIf('fa_bits', $fld_bitdepth);
$this->addFieldsIf('fa_archive_name', $fld_archivename);
if (!is_null($params['continue'])) {
$cont = explode('|', $params['continue']);
$this->dieContinueUsageIf(count($cont) != 3);
$op = $params['dir'] == 'descending' ? '<' : '>';
$cont_from = $db->addQuotes($cont[0]);
$cont_timestamp = $db->addQuotes($db->timestamp($cont[1]));
$cont_id = (int) $cont[2];
$this->dieContinueUsageIf($cont[2] !== (string) $cont_id);
$this->addWhere("fa_name {$op} {$cont_from} OR " . "(fa_name = {$cont_from} AND " . "(fa_timestamp {$op} {$cont_timestamp} OR " . "(fa_timestamp = {$cont_timestamp} AND " . "fa_id {$op}= {$cont_id} )))");
}
// Image filters
$dir = $params['dir'] == 'descending' ? 'older' : 'newer';
$from = $params['from'] === null ? null : $this->titlePartToKey($params['from'], NS_FILE);
$to = $params['to'] === null ? null : $this->titlePartToKey($params['to'], NS_FILE);
$this->addWhereRange('fa_name', $dir, $from, $to);
if (isset($params['prefix'])) {
$this->addWhere('fa_name' . $db->buildLike($this->titlePartToKey($params['prefix'], NS_FILE), $db->anyString()));
}
$sha1Set = isset($params['sha1']);
$sha1base36Set = isset($params['sha1base36']);
if ($sha1Set || $sha1base36Set) {
$sha1 = false;
if ($sha1Set) {
$sha1 = strtolower($params['sha1']);
if (!$this->validateSha1Hash($sha1)) {
$this->dieUsage('The SHA1 hash provided is not valid', 'invalidsha1hash');
}
$sha1 = wfBaseConvert($sha1, 16, 36, 31);
} elseif ($sha1base36Set) {
$sha1 = strtolower($params['sha1base36']);
if (!$this->validateSha1Base36Hash($sha1)) {
$this->dieUsage('The SHA1Base36 hash provided is not valid', 'invalidsha1base36hash');
}
}
if ($sha1) {
$this->addWhereFld('fa_sha1', $sha1);
}
}
// Exclude files this user can't view.
if (!$user->isAllowed('deletedtext')) {
$bitmask = File::DELETED_FILE;
} elseif (!$user->isAllowedAny('suppressrevision', 'viewsuppressed')) {
$bitmask = File::DELETED_FILE | File::DELETED_RESTRICTED;
} else {
$bitmask = 0;
}
if ($bitmask) {
$this->addWhere($this->getDB()->bitAnd('fa_deleted', $bitmask) . " != {$bitmask}");
}
$limit = $params['limit'];
$this->addOption('LIMIT', $limit + 1);
$sort = $params['dir'] == 'descending' ? ' DESC' : '';
$this->addOption('ORDER BY', array('fa_name' . $sort, 'fa_timestamp' . $sort, 'fa_id' . $sort));
$res = $this->select(__METHOD__);
$count = 0;
$result = $this->getResult();
foreach ($res as $row) {
if (++$count > $limit) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
$this->setContinueEnumParameter('continue', "{$row->fa_name}|{$row->fa_timestamp}|{$row->fa_id}");
break;
}
$file = array();
$file['id'] = (int) $row->fa_id;
$file['name'] = $row->fa_name;
$title = Title::makeTitle(NS_FILE, $row->fa_name);
self::addTitleInfo($file, $title);
if ($fld_description && Revision::userCanBitfield($row->fa_deleted, File::DELETED_COMMENT, $user)) {
$file['description'] = $row->fa_description;
if (isset($prop['parseddescription'])) {
$file['parseddescription'] = Linker::formatComment($row->fa_description, $title);
}
}
if ($fld_user && Revision::userCanBitfield($row->fa_deleted, File::DELETED_USER, $user)) {
$file['userid'] = (int) $row->fa_user;
$file['user'] = $row->fa_user_text;
}
if ($fld_sha1) {
$file['sha1'] = wfBaseConvert($row->fa_sha1, 36, 16, 40);
}
if ($fld_timestamp) {
$file['timestamp'] = wfTimestamp(TS_ISO_8601, $row->fa_timestamp);
}
if ($fld_size || $fld_dimensions) {
$file['size'] = $row->fa_size;
$pageCount = ArchivedFile::newFromRow($row)->pageCount();
if ($pageCount !== false) {
$file['pagecount'] = $pageCount;
}
$file['height'] = $row->fa_height;
$file['width'] = $row->fa_width;
}
if ($fld_mediatype) {
$file['mediatype'] = $row->fa_media_type;
}
if ($fld_metadata) {
$file['metadata'] = $row->fa_metadata ? ApiQueryImageInfo::processMetaData(unserialize($row->fa_metadata), $result) : null;
}
if ($fld_bitdepth) {
$file['bitdepth'] = $row->fa_bits;
}
if ($fld_mime) {
$file['mime'] = "{$row->fa_major_mime}/{$row->fa_minor_mime}";
}
if ($fld_archivename && !is_null($row->fa_archive_name)) {
$file['archivename'] = $row->fa_archive_name;
}
if ($row->fa_deleted & File::DELETED_FILE) {
$file['filehidden'] = true;
}
if ($row->fa_deleted & File::DELETED_COMMENT) {
$file['commenthidden'] = true;
}
if ($row->fa_deleted & File::DELETED_USER) {
$file['userhidden'] = true;
}
if ($row->fa_deleted & File::DELETED_RESTRICTED) {
// This file is deleted for normal admins
$file['suppressed'] = true;
}
$fit = $result->addValue(array('query', $this->getModuleName()), null, $file);
if (!$fit) {
$this->setContinueEnumParameter('continue', "{$row->fa_name}|{$row->fa_timestamp}|{$row->fa_id}");
break;
}
}
$result->addIndexedTagName(array('query', $this->getModuleName()), 'fa');
}
/**
* Extract fields from the database row and append them to a result array
*
* @param $row
* @return array
*/
private function extractRowInfo($row)
{
$vals = array();
$anyHidden = false;
if ($row->rev_deleted & Revision::DELETED_TEXT) {
$vals['texthidden'] = '';
$anyHidden = true;
}
// Any rows where we can't view the user were filtered out in the query.
$vals['userid'] = $row->rev_user;
$vals['user'] = $row->rev_user_text;
if ($row->rev_deleted & Revision::DELETED_USER) {
$vals['userhidden'] = '';
$anyHidden = true;
}
if ($this->fld_ids) {
$vals['pageid'] = intval($row->rev_page);
$vals['revid'] = intval($row->rev_id);
// $vals['textid'] = intval( $row->rev_text_id ); // todo: Should this field be exposed?
if (!is_null($row->rev_parent_id)) {
$vals['parentid'] = intval($row->rev_parent_id);
}
}
$title = Title::makeTitle($row->page_namespace, $row->page_title);
if ($this->fld_title) {
ApiQueryBase::addTitleInfo($vals, $title);
}
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rev_timestamp);
}
if ($this->fld_flags) {
if ($row->rev_parent_id == 0 && !is_null($row->rev_parent_id)) {
$vals['new'] = '';
}
if ($row->rev_minor_edit) {
$vals['minor'] = '';
}
if ($row->page_latest == $row->rev_id) {
$vals['top'] = '';
}
}
if (($this->fld_comment || $this->fld_parsedcomment) && isset($row->rev_comment)) {
if ($row->rev_deleted & Revision::DELETED_COMMENT) {
$vals['commenthidden'] = '';
$anyHidden = true;
}
$userCanView = Revision::userCanBitfield($row->rev_deleted, Revision::DELETED_COMMENT, $this->getUser());
if ($userCanView) {
if ($this->fld_comment) {
$vals['comment'] = $row->rev_comment;
}
if ($this->fld_parsedcomment) {
$vals['parsedcomment'] = Linker::formatComment($row->rev_comment, $title);
}
}
}
if ($this->fld_patrolled && $row->rc_patrolled) {
$vals['patrolled'] = '';
}
if ($this->fld_size && !is_null($row->rev_len)) {
$vals['size'] = intval($row->rev_len);
}
if ($this->fld_sizediff && !is_null($row->rev_len) && !is_null($row->rev_parent_id)) {
$parentLen = isset($this->parentLens[$row->rev_parent_id]) ? $this->parentLens[$row->rev_parent_id] : 0;
$vals['sizediff'] = intval($row->rev_len - $parentLen);
}
if ($this->fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
$this->getResult()->setIndexedTagName($tags, 'tag');
$vals['tags'] = $tags;
} else {
$vals['tags'] = array();
}
}
if ($anyHidden && $row->rev_deleted & Revision::DELETED_RESTRICTED) {
$vals['suppressed'] = '';
}
return $vals;
}
/**
* Determine if the current user is allowed to view a particular
* field of this FileStore image file, if it's marked as deleted.
* @param int $field
* @param null|User $user User object to check, or null to use $wgUser
* @return bool
*/
public function userCan($field, User $user = null)
{
$this->load();
return Revision::userCanBitfield($this->deleted, $field, $user);
}
private function extractRowInfo($row)
{
/* Determine the title of the page that has been changed. */
$title = Title::makeTitle($row->rc_namespace, $row->rc_title);
$user = $this->getUser();
/* Our output data. */
$vals = array();
$type = intval($row->rc_type);
/* Determine what kind of change this was. */
switch ($type) {
case RC_EDIT:
$vals['type'] = 'edit';
break;
case RC_NEW:
$vals['type'] = 'new';
break;
case RC_MOVE:
$vals['type'] = 'move';
break;
case RC_LOG:
$vals['type'] = 'log';
break;
case RC_EXTERNAL:
$vals['type'] = 'external';
break;
case RC_MOVE_OVER_REDIRECT:
$vals['type'] = 'move over redirect';
break;
default:
$vals['type'] = $type;
}
$anyHidden = false;
/* Create a new entry in the result for the title. */
if ($this->fld_title || $this->fld_ids) {
// These should already have been filtered out of the query, but just in case.
if ($type === RC_LOG && $row->rc_deleted & LogPage::DELETED_ACTION) {
$vals['actionhidden'] = '';
$anyHidden = true;
}
if ($type !== RC_LOG || LogEventsList::userCanBitfield($row->rc_deleted, LogPage::DELETED_ACTION, $user)) {
if ($this->fld_title) {
ApiQueryBase::addTitleInfo($vals, $title);
}
if ($this->fld_ids) {
$vals['pageid'] = intval($row->rc_cur_id);
$vals['revid'] = intval($row->rc_this_oldid);
$vals['old_revid'] = intval($row->rc_last_oldid);
}
}
}
/* Add user data and 'anon' flag, if user is anonymous. */
if ($this->fld_user || $this->fld_userid) {
if ($row->rc_deleted & Revision::DELETED_USER) {
$vals['userhidden'] = '';
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rc_deleted, Revision::DELETED_USER, $user)) {
if ($this->fld_userid) {
$vals['userid'] = $row->rc_user;
// for backwards compatibility
$vals['user'] = $row->rc_user;
}
if ($this->fld_user) {
$vals['user'] = $row->rc_user_text;
}
if (!$row->rc_user) {
$vals['anon'] = '';
}
}
}
/* Add flags, such as new, minor, bot. */
if ($this->fld_flags) {
if ($row->rc_bot) {
$vals['bot'] = '';
}
if ($row->rc_type == RC_NEW) {
$vals['new'] = '';
}
if ($row->rc_minor) {
$vals['minor'] = '';
}
}
/* Add sizes of each revision. (Only available on 1.10+) */
if ($this->fld_sizes) {
$vals['oldlen'] = intval($row->rc_old_len);
$vals['newlen'] = intval($row->rc_new_len);
}
/* Add the timestamp. */
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rc_timestamp);
}
if ($this->fld_notificationtimestamp) {
$vals['notificationtimestamp'] = $row->wl_notificationtimestamp == null ? '' : wfTimestamp(TS_ISO_8601, $row->wl_notificationtimestamp);
}
/* Add edit summary / log summary. */
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($row->rc_deleted & Revision::DELETED_COMMENT) {
$vals['commenthidden'] = '';
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rc_deleted, Revision::DELETED_COMMENT, $user)) {
if ($this->fld_comment && isset($row->rc_comment)) {
$vals['comment'] = $row->rc_comment;
}
if ($this->fld_parsedcomment && isset($row->rc_comment)) {
$vals['parsedcomment'] = Linker::formatComment($row->rc_comment, $title);
}
}
}
/* Add the patrolled flag */
if ($this->fld_patrol && $row->rc_patrolled == 1) {
$vals['patrolled'] = '';
}
if ($this->fld_patrol && ChangesList::isUnpatrolled($row, $user)) {
$vals['unpatrolled'] = '';
}
if ($this->fld_loginfo && $row->rc_type == RC_LOG) {
if ($row->rc_deleted & LogPage::DELETED_ACTION) {
$vals['actionhidden'] = '';
$anyHidden = true;
}
if (LogEventsList::userCanBitfield($row->rc_deleted, LogPage::DELETED_ACTION, $user)) {
$vals['logid'] = intval($row->rc_logid);
$vals['logtype'] = $row->rc_log_type;
$vals['logaction'] = $row->rc_log_action;
$logEntry = DatabaseLogEntry::newFromRow((array) $row);
ApiQueryLogEvents::addLogParams($this->getResult(), $vals, $logEntry->getParameters(), $logEntry->getType(), $logEntry->getSubtype(), $logEntry->getTimestamp());
}
}
if ($anyHidden && $row->rc_deleted & Revision::DELETED_RESTRICTED) {
$vals['suppressed'] = '';
}
return $vals;
}
private function extractRowInfo($row)
{
/* Determine the title of the page that has been changed. */
$title = Title::makeTitle($row->rc_namespace, $row->rc_title);
$user = $this->getUser();
/* Our output data. */
$vals = [];
$type = intval($row->rc_type);
$vals['type'] = RecentChange::parseFromRCType($type);
$anyHidden = false;
/* Create a new entry in the result for the title. */
if ($this->fld_title || $this->fld_ids) {
// These should already have been filtered out of the query, but just in case.
if ($type === RC_LOG && $row->rc_deleted & LogPage::DELETED_ACTION) {
$vals['actionhidden'] = true;
$anyHidden = true;
}
if ($type !== RC_LOG || LogEventsList::userCanBitfield($row->rc_deleted, LogPage::DELETED_ACTION, $user)) {
if ($this->fld_title) {
ApiQueryBase::addTitleInfo($vals, $title);
}
if ($this->fld_ids) {
$vals['pageid'] = intval($row->rc_cur_id);
$vals['revid'] = intval($row->rc_this_oldid);
$vals['old_revid'] = intval($row->rc_last_oldid);
}
}
}
/* Add user data and 'anon' flag, if user is anonymous. */
if ($this->fld_user || $this->fld_userid) {
if ($row->rc_deleted & Revision::DELETED_USER) {
$vals['userhidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rc_deleted, Revision::DELETED_USER, $user)) {
if ($this->fld_userid) {
$vals['userid'] = (int) $row->rc_user;
// for backwards compatibility
$vals['user'] = (int) $row->rc_user;
}
if ($this->fld_user) {
$vals['user'] = $row->rc_user_text;
}
if (!$row->rc_user) {
$vals['anon'] = true;
}
}
}
/* Add flags, such as new, minor, bot. */
if ($this->fld_flags) {
$vals['bot'] = (bool) $row->rc_bot;
$vals['new'] = $row->rc_type == RC_NEW;
$vals['minor'] = (bool) $row->rc_minor;
}
/* Add sizes of each revision. (Only available on 1.10+) */
if ($this->fld_sizes) {
$vals['oldlen'] = intval($row->rc_old_len);
$vals['newlen'] = intval($row->rc_new_len);
}
/* Add the timestamp. */
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rc_timestamp);
}
if ($this->fld_notificationtimestamp) {
$vals['notificationtimestamp'] = $row->wl_notificationtimestamp == null ? '' : wfTimestamp(TS_ISO_8601, $row->wl_notificationtimestamp);
}
/* Add edit summary / log summary. */
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($row->rc_deleted & Revision::DELETED_COMMENT) {
$vals['commenthidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->rc_deleted, Revision::DELETED_COMMENT, $user)) {
if ($this->fld_comment && isset($row->rc_comment)) {
$vals['comment'] = $row->rc_comment;
}
if ($this->fld_parsedcomment && isset($row->rc_comment)) {
$vals['parsedcomment'] = Linker::formatComment($row->rc_comment, $title);
}
}
}
/* Add the patrolled flag */
if ($this->fld_patrol) {
$vals['patrolled'] = $row->rc_patrolled == 1;
$vals['unpatrolled'] = ChangesList::isUnpatrolled($row, $user);
}
if ($this->fld_loginfo && $row->rc_type == RC_LOG) {
if ($row->rc_deleted & LogPage::DELETED_ACTION) {
$vals['actionhidden'] = true;
$anyHidden = true;
}
if (LogEventsList::userCanBitfield($row->rc_deleted, LogPage::DELETED_ACTION, $user)) {
$vals['logid'] = intval($row->rc_logid);
$vals['logtype'] = $row->rc_log_type;
$vals['logaction'] = $row->rc_log_action;
$vals['logparams'] = LogFormatter::newFromRow($row)->formatParametersForApi();
}
}
if ($anyHidden && $row->rc_deleted & Revision::DELETED_RESTRICTED) {
$vals['suppressed'] = true;
}
return $vals;
}
/**
* Determine if the current user is allowed to view a particular
* field of this FileStore image file, if it's marked as deleted.
* @param int $field
* @param null|User $user User object to check, or null to use $wgUser
* @return bool
*/
public function userCan($field, User $user = null)
{
$this->load();
$title = $this->getTitle();
return Revision::userCanBitfield($this->deleted, $field, $user, $title ?: null);
}
public function execute()
{
$user = $this->getUser();
// Before doing anything at all, let's check permissions
if (!$user->isAllowed('deletedhistory')) {
$this->dieUsage('You don\'t have permission to view deleted revision information', 'permissiondenied');
}
$this->setWarning('list=deletedrevs has been deprecated. Please use prop=deletedrevisions or ' . 'list=alldeletedrevisions instead.');
$this->logFeatureUsage('action=query&list=deletedrevs');
$db = $this->getDB();
$params = $this->extractRequestParams(false);
$prop = array_flip($params['prop']);
$fld_parentid = isset($prop['parentid']);
$fld_revid = isset($prop['revid']);
$fld_user = isset($prop['user']);
$fld_userid = isset($prop['userid']);
$fld_comment = isset($prop['comment']);
$fld_parsedcomment = isset($prop['parsedcomment']);
$fld_minor = isset($prop['minor']);
$fld_len = isset($prop['len']);
$fld_sha1 = isset($prop['sha1']);
$fld_content = isset($prop['content']);
$fld_token = isset($prop['token']);
$fld_tags = isset($prop['tags']);
if (isset($prop['token'])) {
$p = $this->getModulePrefix();
$this->setWarning("{$p}prop=token has been deprecated. Please use action=query&meta=tokens instead.");
}
// If we're in a mode that breaks the same-origin policy, no tokens can
// be obtained
if ($this->lacksSameOriginSecurity()) {
$fld_token = false;
}
// If user can't undelete, no tokens
if (!$user->isAllowed('undelete')) {
$fld_token = false;
}
$result = $this->getResult();
$pageSet = $this->getPageSet();
$titles = $pageSet->getTitles();
// This module operates in three modes:
// 'revs': List deleted revs for certain titles (1)
// 'user': List deleted revs by a certain user (2)
// 'all': List all deleted revs in NS (3)
$mode = 'all';
if (count($titles) > 0) {
$mode = 'revs';
} elseif (!is_null($params['user'])) {
$mode = 'user';
}
if ($mode == 'revs' || $mode == 'user') {
// Ignore namespace and unique due to inability to know whether they were purposely set
foreach (array('from', 'to', 'prefix') as $p) {
if (!is_null($params[$p])) {
$this->dieUsage("The '{$p}' parameter cannot be used in modes 1 or 2", 'badparams');
}
}
} else {
foreach (array('start', 'end') as $p) {
if (!is_null($params[$p])) {
$this->dieUsage("The {$p} parameter cannot be used in mode 3", 'badparams');
}
}
}
if (!is_null($params['user']) && !is_null($params['excludeuser'])) {
$this->dieUsage('user and excludeuser cannot be used together', 'badparams');
}
$this->addTables('archive');
$this->addFields(array('ar_title', 'ar_namespace', 'ar_timestamp', 'ar_deleted', 'ar_id'));
$this->addFieldsIf('ar_parent_id', $fld_parentid);
$this->addFieldsIf('ar_rev_id', $fld_revid);
$this->addFieldsIf('ar_user_text', $fld_user);
$this->addFieldsIf('ar_user', $fld_userid);
$this->addFieldsIf('ar_comment', $fld_comment || $fld_parsedcomment);
$this->addFieldsIf('ar_minor_edit', $fld_minor);
$this->addFieldsIf('ar_len', $fld_len);
$this->addFieldsIf('ar_sha1', $fld_sha1);
if ($fld_tags) {
$this->addTables('tag_summary');
$this->addJoinConds(array('tag_summary' => array('LEFT JOIN', array('ar_rev_id=ts_rev_id'))));
$this->addFields('ts_tags');
}
if (!is_null($params['tag'])) {
$this->addTables('change_tag');
$this->addJoinConds(array('change_tag' => array('INNER JOIN', array('ar_rev_id=ct_rev_id'))));
$this->addWhereFld('ct_tag', $params['tag']);
}
if ($fld_content) {
// Modern MediaWiki has the content for deleted revs in the 'text'
// table using fields old_text and old_flags. But revisions deleted
// pre-1.5 store the content in the 'archive' table directly using
// fields ar_text and ar_flags, and no corresponding 'text' row. So
// we have to LEFT JOIN and fetch all four fields, plus ar_text_id
// to be able to tell the difference.
$this->addTables('text');
$this->addJoinConds(array('text' => array('LEFT JOIN', array('ar_text_id=old_id'))));
$this->addFields(array('ar_text', 'ar_flags', 'ar_text_id', 'old_text', 'old_flags'));
// This also means stricter restrictions
if (!$user->isAllowedAny('undelete', 'deletedtext')) {
$this->dieUsage('You don\'t have permission to view deleted revision content', 'permissiondenied');
}
}
// Check limits
$userMax = $fld_content ? ApiBase::LIMIT_SML1 : ApiBase::LIMIT_BIG1;
$botMax = $fld_content ? ApiBase::LIMIT_SML2 : ApiBase::LIMIT_BIG2;
$limit = $params['limit'];
if ($limit == 'max') {
$limit = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
$this->getResult()->addParsedLimit($this->getModuleName(), $limit);
}
$this->validateLimit('limit', $limit, 1, $userMax, $botMax);
if ($fld_token) {
// Undelete tokens are identical for all pages, so we cache one here
$token = $user->getEditToken('', $this->getMain()->getRequest());
}
$dir = $params['dir'];
// We need a custom WHERE clause that matches all titles.
if ($mode == 'revs') {
$lb = new LinkBatch($titles);
$where = $lb->constructSet('ar', $db);
$this->addWhere($where);
} elseif ($mode == 'all') {
$this->addWhereFld('ar_namespace', $params['namespace']);
$from = $params['from'] === null ? null : $this->titlePartToKey($params['from'], $params['namespace']);
$to = $params['to'] === null ? null : $this->titlePartToKey($params['to'], $params['namespace']);
$this->addWhereRange('ar_title', $dir, $from, $to);
if (isset($params['prefix'])) {
$this->addWhere('ar_title' . $db->buildLike($this->titlePartToKey($params['prefix'], $params['namespace']), $db->anyString()));
}
}
if (!is_null($params['user'])) {
$this->addWhereFld('ar_user_text', $params['user']);
} elseif (!is_null($params['excludeuser'])) {
$this->addWhere('ar_user_text != ' . $db->addQuotes($params['excludeuser']));
}
if (!is_null($params['user']) || !is_null($params['excludeuser'])) {
// Paranoia: avoid brute force searches (bug 17342)
// (shouldn't be able to get here without 'deletedhistory', but
// check it again just in case)
if (!$user->isAllowed('deletedhistory')) {
$bitmask = Revision::DELETED_USER;
} elseif (!$user->isAllowedAny('suppressrevision', 'viewsuppressed')) {
$bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
} else {
$bitmask = 0;
}
if ($bitmask) {
$this->addWhere($db->bitAnd('ar_deleted', $bitmask) . " != {$bitmask}");
}
}
if (!is_null($params['continue'])) {
$cont = explode('|', $params['continue']);
$op = $dir == 'newer' ? '>' : '<';
if ($mode == 'all' || $mode == 'revs') {
$this->dieContinueUsageIf(count($cont) != 4);
$ns = intval($cont[0]);
$this->dieContinueUsageIf(strval($ns) !== $cont[0]);
$title = $db->addQuotes($cont[1]);
$ts = $db->addQuotes($db->timestamp($cont[2]));
$ar_id = (int) $cont[3];
$this->dieContinueUsageIf(strval($ar_id) !== $cont[3]);
$this->addWhere("ar_namespace {$op} {$ns} OR " . "(ar_namespace = {$ns} AND " . "(ar_title {$op} {$title} OR " . "(ar_title = {$title} AND " . "(ar_timestamp {$op} {$ts} OR " . "(ar_timestamp = {$ts} AND " . "ar_id {$op}= {$ar_id})))))");
} else {
$this->dieContinueUsageIf(count($cont) != 2);
$ts = $db->addQuotes($db->timestamp($cont[0]));
$ar_id = (int) $cont[1];
$this->dieContinueUsageIf(strval($ar_id) !== $cont[1]);
$this->addWhere("ar_timestamp {$op} {$ts} OR " . "(ar_timestamp = {$ts} AND " . "ar_id {$op}= {$ar_id})");
}
}
$this->addOption('LIMIT', $limit + 1);
$this->addOption('USE INDEX', array('archive' => $mode == 'user' ? 'usertext_timestamp' : 'name_title_timestamp'));
if ($mode == 'all') {
if ($params['unique']) {
// @todo Does this work on non-MySQL?
$this->addOption('GROUP BY', 'ar_title');
} else {
$sort = $dir == 'newer' ? '' : ' DESC';
$this->addOption('ORDER BY', array('ar_title' . $sort, 'ar_timestamp' . $sort, 'ar_id' . $sort));
}
} else {
if ($mode == 'revs') {
// Sort by ns and title in the same order as timestamp for efficiency
$this->addWhereRange('ar_namespace', $dir, null, null);
$this->addWhereRange('ar_title', $dir, null, null);
}
$this->addTimestampWhereRange('ar_timestamp', $dir, $params['start'], $params['end']);
// Include in ORDER BY for uniqueness
$this->addWhereRange('ar_id', $dir, null, null);
}
$res = $this->select(__METHOD__);
$pageMap = array();
// Maps ns&title to (fake) pageid
$count = 0;
$newPageID = 0;
foreach ($res as $row) {
if (++$count > $limit) {
// We've had enough
if ($mode == 'all' || $mode == 'revs') {
$this->setContinueEnumParameter('continue', "{$row->ar_namespace}|{$row->ar_title}|{$row->ar_timestamp}|{$row->ar_id}");
} else {
$this->setContinueEnumParameter('continue', "{$row->ar_timestamp}|{$row->ar_id}");
}
break;
}
$rev = array();
$anyHidden = false;
$rev['timestamp'] = wfTimestamp(TS_ISO_8601, $row->ar_timestamp);
if ($fld_revid) {
$rev['revid'] = intval($row->ar_rev_id);
}
if ($fld_parentid && !is_null($row->ar_parent_id)) {
$rev['parentid'] = intval($row->ar_parent_id);
}
if ($fld_user || $fld_userid) {
if ($row->ar_deleted & Revision::DELETED_USER) {
$rev['userhidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->ar_deleted, Revision::DELETED_USER, $user)) {
if ($fld_user) {
$rev['user'] = $row->ar_user_text;
}
if ($fld_userid) {
$rev['userid'] = $row->ar_user;
}
}
}
if ($fld_comment || $fld_parsedcomment) {
if ($row->ar_deleted & Revision::DELETED_COMMENT) {
$rev['commenthidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->ar_deleted, Revision::DELETED_COMMENT, $user)) {
if ($fld_comment) {
$rev['comment'] = $row->ar_comment;
}
if ($fld_parsedcomment) {
$title = Title::makeTitle($row->ar_namespace, $row->ar_title);
$rev['parsedcomment'] = Linker::formatComment($row->ar_comment, $title);
}
}
}
if ($fld_minor) {
$rev['minor'] = $row->ar_minor_edit == 1;
}
if ($fld_len) {
$rev['len'] = $row->ar_len;
}
if ($fld_sha1) {
if ($row->ar_deleted & Revision::DELETED_TEXT) {
$rev['sha1hidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->ar_deleted, Revision::DELETED_TEXT, $user)) {
if ($row->ar_sha1 != '') {
$rev['sha1'] = wfBaseConvert($row->ar_sha1, 36, 16, 40);
} else {
$rev['sha1'] = '';
}
}
}
if ($fld_content) {
if ($row->ar_deleted & Revision::DELETED_TEXT) {
$rev['texthidden'] = true;
$anyHidden = true;
}
if (Revision::userCanBitfield($row->ar_deleted, Revision::DELETED_TEXT, $user)) {
if (isset($row->ar_text) && !$row->ar_text_id) {
// Pre-1.5 ar_text row (if condition from Revision::newFromArchiveRow)
ApiResult::setContentValue($rev, 'text', Revision::getRevisionText($row, 'ar_'));
} else {
ApiResult::setContentValue($rev, 'text', Revision::getRevisionText($row));
}
}
}
if ($fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
ApiResult::setIndexedTagName($tags, 'tag');
$rev['tags'] = $tags;
} else {
$rev['tags'] = array();
}
}
if ($anyHidden && $row->ar_deleted & Revision::DELETED_RESTRICTED) {
$rev['suppressed'] = true;
}
if (!isset($pageMap[$row->ar_namespace][$row->ar_title])) {
$pageID = $newPageID++;
$pageMap[$row->ar_namespace][$row->ar_title] = $pageID;
$a['revisions'] = array($rev);
ApiResult::setIndexedTagName($a['revisions'], 'rev');
$title = Title::makeTitle($row->ar_namespace, $row->ar_title);
ApiQueryBase::addTitleInfo($a, $title);
if ($fld_token) {
$a['token'] = $token;
}
$fit = $result->addValue(array('query', $this->getModuleName()), $pageID, $a);
} else {
$pageID = $pageMap[$row->ar_namespace][$row->ar_title];
$fit = $result->addValue(array('query', $this->getModuleName(), $pageID, 'revisions'), null, $rev);
}
if (!$fit) {
if ($mode == 'all' || $mode == 'revs') {
$this->setContinueEnumParameter('continue', "{$row->ar_namespace}|{$row->ar_title}|{$row->ar_timestamp}|{$row->ar_id}");
} else {
$this->setContinueEnumParameter('continue', "{$row->ar_timestamp}|{$row->ar_id}");
}
break;
}
}
$result->addIndexedTagName(array('query', $this->getModuleName()), 'page');
}
/**
* Determine if the current user is allowed to view a particular
* field of this revision, if it's marked as deleted.
* @param $rc InterwikiIntegrationRCCacheEntry
* @param $field Integer
* @return Boolean
*/
public static function userCan($rc, $field)
{
if ($rc->mAttribs['integration_rc_type'] == RC_LOG) {
return LogEventsList::userCanBitfield($rc->mAttribs['integration_rc_deleted'], $field);
} else {
return Revision::userCanBitfield($rc->mAttribs['integration_rc_deleted'], $field);
}
}
